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birthday-number effect

subconscious tendency of people to prefer the numbers in the date of their birthday
Event cognitive_bias Q30324785
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birthday-number effect

Summary

birthday-number effect is a cognitive bias[1]. It draws 41 Wikipedia views per month (cognitive_bias category, ranking #70 of 95).[2]

Key Facts

  • birthday-number effect's instance of is recorded as cognitive bias[3].
  • birthday-number effect's part of is recorded as psychological terminology[4].
  • birthday-number effect's Google Knowledge Graph ID is recorded as /g/11c75_3svd[5].

Why It Matters

birthday-number effect draws 41 Wikipedia views per month (cognitive_bias category, ranking #70 of 95).[2] It has Wikipedia articles in 8 language editions, a strong signal of global cultural recognition.[6]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [6] ↑ . Wikidata sitelinks. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). birthday-number effect. Retrieved May 3, 2026, from https://4ort.xyz/entity/birthday-number-effect
MLA “birthday-number effect.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/birthday-number-effect.
BibTeX @misc{4ortxyz_birthday-number-effect_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{birthday-number effect}}, year = {2026}, url = {https://4ort.xyz/entity/birthday-number-effect}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): birthday-number effect — https://4ort.xyz/entity/birthday-number-effect (retrieved 2026-05-03)

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